Responsive design is the practice of designing a website so it looks and works properly on a range of different devices — particularly mobile phones and tablets as well as desktops and laptops.
WooCommerce Filter Plugin is fully responsive and will look great on any device.
The plugin comes with enabled responsive mode and displays on mobiles and desktops by default. But if for some reason you need to display filter only on mobile or only on the desktop, you can set it up. Move to the Options tab and select, where to display filter: